Siemens 3VA5445-5EF31-0AA0 - Molded Case Breaker 450A 3-Pole
Siemens 3VA5445-5EF31-0AA0 - Molded Case Breaker 450A 3-Pole

Siemens 3VA5445-5EF31-0AA0 - Molded Case Breaker 450A 3-Pole

Siemens
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Siemens 3VA5445-5EF31-0AA0 is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 450A continuous current at 480V AC with a 35kA interrupting capacity, operating in three-phase systems within a temperature range of -13°F to 158°F (-25°C to 70°C). The unit weighs 5.19 lb and is built on a 3VA54 compatible frame, featuring a compact molded case construction for panelboard or switchboard installation. This breaker is UL Listed, ensuring compliance with North American safety and performance standards for overcurrent protection. Typical applications include main or feeder protection in commercial and industrial electrical panels, motor control centers, and distribution equipment requiring reliable thermal-magnetic trip characteristics.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 450A
  • Dimensions: 5.19 lb weight
  • Standards: UL Listed
  • Applications: Industrial power distribution, feeder protection
  • Switch Type: Circuit Breaker
  • Configuration: 3 Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 450A
  • AIC rating: 35kA@480V
  • Connection: Not specified
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Overcurrent protection
  • Frame Size: 3VA54
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 450A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 3 Phase
  • Standards: UL Listed
  • Compatible Frames: 3VA54
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: 3VA54
  • Current Rating: 450A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 80476679229
  • GTIN: 00804766792298